Remote Code Execution via Serialized Session Payload
CVE-2023-40595

8.8HIGH

Key Information:

Vendor

Splunk
Status
Splunk Enterprise
Splunk Cloud
Vendor
CVE Published:
30 August 2023

What is CVE-2023-40595?

In Splunk Enterprise prior to versions 8.2.12, 9.0.6, and 9.1.1, an inherent code execution vulnerability allows attackers to craft specific queries, leading to the potential serialization of untrusted data. This can enable an attacker to execute arbitrary code, significantly compromising the security of the affected system.

Affected Version(s)

Splunk Cloud - < 9.0.2305.200

Splunk Enterprise 8.2 < 8.2.12

Splunk Enterprise 9.0 < 9.0.6

References

https://advisory.splunk.com/advisories/SVD-2023-0804
https://research.splunk.com/application/d1d8fda6-874a-400...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Danylo Dmytriiev (DDV_UA)
.